问题 解答题
直接写出得数.
1-
2
5
=
3
16
=
3
7
×5÷
3
7
×5=
10÷
5
7
=
1.23+7.73=
2
9
×
3
4
=
1
2
+
3
4
=
3.2+
1
10
-3.2+
1
10
=
100÷50%=20+0.02=
答案

1-
2
5
=
3
5
3
16
=
3
4
3
7
×5÷
3
7
×5=25,
10÷
5
7
=14,
1.23+7.73=8.96,
2
9
×
3
4
=
1
6
1
2
+
3
4
=
5
4
3.2+
1
10
-3.2+
1
10
=
1
5
100÷50%=200,20+0.02=20.02.

问答题 简答题
名词解释